The Marin County Civic Center was Wright's last major design, and a rare government building for the master architect. The complex feels like it should be in a sci-fi movie, which of course, it has been.

Road Trip 2010: Frank Lloyd Wright's 1937 masterpiece still wows hundreds of thousands of visitors a year. Some call it the best home ever built in the U.S. Either way, CNET reporter Daniel Terdiman finds it beyond impressive.